fdbd4d2d01
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
40 lines
1.3 KiB
Diff
40 lines
1.3 KiB
Diff
From f406041b58eadc716d6227408d3af553d566ffeb Mon Sep 17 00:00:00 2001
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From: "Arnout Vandecappelle (Essensium/Mind)" <arnout@mind.be>
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Date: Tue, 4 Apr 2017 17:31:29 +0200
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Subject: [PATCH] configure: try linking to detect stack-protector support
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Even if gcc accepts the -fstack-protector argument, it is possible that
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the libssp support library is missing. Detect this by linking instead
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of just compiling.
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Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
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---
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acinclude.m4 | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/acinclude.m4 b/acinclude.m4
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index 3c84118..4725154 100644
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--- a/acinclude.m4
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+++ b/acinclude.m4
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@@ -243,7 +243,7 @@ AC_DEFUN([GCC_STACK_PROTECT_CC],[
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AC_MSG_CHECKING([whether ${CC} accepts -fstack-protector])
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ssp_old_cflags="$CFLAGS"
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CFLAGS="$CFLAGS -fstack-protector"
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- AC_TRY_COMPILE(,,, ssp_cc=no)
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+ AC_TRY_LINK(,,, ssp_cc=no)
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echo $ssp_cc
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if test "X$ssp_cc" = "Xno"; then
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CFLAGS="$ssp_old_cflags"
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@@ -259,7 +259,7 @@ AC_DEFUN([GCC_STACK_PROTECT_CXX],[
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AC_MSG_CHECKING([whether ${CXX} accepts -fstack-protector])
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ssp_old_cxxflags="$CXXFLAGS"
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CXXFLAGS="$CXXFLAGS -fstack-protector"
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- AC_TRY_COMPILE(,,, ssp_cxx=no)
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+ AC_TRY_LINK(,,, ssp_cxx=no)
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echo $ssp_cxx
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if test "X$ssp_cxx" = "Xno"; then
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CXXFLAGS="$ssp_old_cxxflags"
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--
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2.11.0
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